Bundy was booked at Multnomah County Jail just before 11:00 pm, and shortly after, FBI agents forced the last four holdouts at Malheur National Wildlife Refuge to surrender, “by hemming them in with armored vehicles,” reports USA Today.

“We reached a point where it became necessary to take action in a way that best ensured the safety of those on the refuge,” special agent Greg Bretzing said of Wednesday’s development.

The senior Bundy was the subject of a 2014 dispute with the U.S. Bureau of Land Management, which claims he owes over $1 million in illegal grazing fees in addition to a charge of conspiracy to interfere with a federal officer and weapons charges.